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參數(shù)資料
| 型號(hào)： | MM74C941N |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 通用總線功能 |
| 英文描述： | Octal Buffers/Line Receivers/ Line Drivers with TRI-STATE Outputs |
| 中文描述： | CMOS SERIES, 8-BIT DRIVER, TRUE OUTPUT, PDIP20 |
| 封裝： | PLASTIC, DIP-20 |
| 文件頁數(shù)： | 3/6頁 |
| 文件大小： | 136K |
| 代理商： | MM74C941N |
AC Electrical Characteristics
*
T
A
e
25
§
C, C
L
e
50 pF, unless otherwise specified
Symbol
Parameter
Conditions
Min
Typ
Max
Units
t
pd1,
t
pd0
Propagation Delay
(Data IN to OUT)
V
CC
e
5.0V, C
L
e
50 pF
V
CC
e
10V, C
L
e
50 pF
V
CC
e
5.0V, C
L
e
150 pF
V
CC
e
10V, C
L
e
150 pF
70
35
90
45
140
70
160
90
ns
ns
ns
ns
t
IH,
t
OH
Propagation Delay Output
Disable to Logic Level (from
High Impedance State) (from a
Logic Level)
R
L
e
1 k
X
, C
L
e
50 pF
V
CC
e
5.0V
V
CC
e
210V
100
55
200
110
ns
ns
t
H1,
t
H0
Propagation Delay Output
Disable to Logic Level (from
High Impedance State)
R
L
e
1 k
X
, C
L
e
50 pF
V
CC
e
5.0V
V
CC
e
10V
100
55
200
110
ns
ns
t
THL,
t
TLH
Transition Time
V
CC
e
5.0V, C
L
e
50 pF
V
CC
e
10V, C
L
e
50 pF
V
CC
e
5.0V, C
L
e
150 pF
V
CC
e
10V, C
L
e
150 pF
50
30
80
50
100
60
160
100
ns
ns
ns
ns
C
PD
Power Dissipation Capacitance
(Output Enabled per Buffer)
(Output Disabled per Buffer)
(Note 3)
100
10
pF
pF
C
IN
Input Capacitance
(Any Input)
(Note 2)
V
IN
e
0V, f
e
1 MHz,
T
A
e
25
§
C
10
pF
C
O
(Output Capacitance)
(Output Disabled)
V
IN
e
0V, f
e
1 MHz,
T
A
e
25
§
C
10
pF
*
AC Parameters are guaranteed by DC correlated testing.
Note 1:
‘‘Absolute Maximum Ratings’’ are those values beyond which the safety of the device cannot be guaranteed. Except for ‘‘Operating Temperature Range’’
they are not meant to imply that the devices should be operated at these limits. The table of ‘‘Electrical Characteristics’’ provides conditions for actual device
operation.
Note 2:
Capacitance is guaranteed by periodic testing.
Note 3:
C
PD
determines the no load AC power consumption of any CMOS device. For complete explanation see 54C/74C Family Characteristics Application Note,
AN-90.
Truth Table
OD1
OD2
Input
Output
0
0
0
1
1
0
0
1
0
1
0
1
X
X
X
0
1
Z
Z
Z
1
e
High
0
e
Low
X
e
Don’t Care
Z
e
TRI-STATE
3
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